Unidentified flying object

Unidentified flying object (commonly abbreviated as UFO or U.F.O.) is the popular term for any aerial phenomenon whose cause cannot be easily or immediately identified by the observer. The United States Air Force, which coined the term in 1952, initially defined UFOs as those objects that remain unidentified after scrutiny by expert investigators, though the term UFO is often used more generally to describe any sighting unidentifiable to the repo... more

Also known as:

  • UFO
top ↑ top ↑ top ↑

Similar topics in Freebase

  • Extraterrestrial life

    Extraterrestrial life

    Extraterrestrial life is defined as life which does not originate from planet Earth. The existence of such life is theoretical and all assertions about it remain disputed. Hypotheses regarding the origin(s) of extraterrestrial life, if it exists, are as follows: one proposes that it may have...
  • First contact

    First contact

    First contact is a common science fiction theme about the first meeting between humans and extraterrestrial life, or of any sentient race's first encounter with another one. The theme allows authors to explore such topics such as xenophobia, transcendentalism, and basic linguistics by adapting the...
  • Film

    Film

    Film encompasses individual motion pictures, the field of film as an art form, and the motion picture industry. Films are produced by recording images from the world with cameras, or by creating images using animation techniques or visual effects. Films are cultural artifacts created by specific...
  • Norway

    Norway

    Norway (pronounced /ˈnɔrweɪ/ ( listen); Norwegian: Norge (Bokmål), Noreg (Nynorsk) or Norga (North Sami)), officially the Kingdom of Norway, is a country in Northern Europe occupying the western portion of the Scandinavian Peninsula, as well as Jan Mayen and the Arctic archipelago of Svalbard under...
  • Alien Visitation

    A very popular genre of fiction (especially since the beginning of the Cold War in the early 1950's) that deals with the visitation of extra-terrestrials to the planet Earth. Sometimes it's merely a social call, sometimes it's not so benign (usually its the latter).
  • Mind control

    Domination and mind control is a character power or ability to alter the perceptions of others, and general ability to control the actions of others with the mind.

These people have edited this topic:

Edit this topic
Edit and Show details

Add or delete facts, download data in JSON or RDF formats, and explore topic metadata.

Freebase Logo
What is Freebase?

Freebase is a huge collection of facts, built by people like you. Freebase connects facts in ways other sites can't, giving you new ways to explore millions of subjects.
You can help improve it!

Freebase Attribution

Freebase data is free for use under the CC-BY license.

The original description for Unidentified flying object was automatically generated from Wikipedia.org licensed under the GNU Free Documentation License.
[1]
Learn more about Freebase licensing and attribution